1. Access the machine with a full administrator rights user and hold UFT closed.2. Open Windows Registry Editor (Go to the Start menu, select “Run”, type “regedit” and click “Ok”)3. Navigate to HKEY_CURRENT_USER\Software\Mercury Interactive4. Right click on “QuickTest Professional” folder, select “Export” and save the file prompted5. Right click on “QuickTest Professional” folder and select “Delete”6. Navigate to HKEY_LOCAL_MACHINE\Software\Mercury Interactive7. Right click on “QuickTest Professional” folder, select “Export” and save the file prompted8. Right click on “QuickTest Professional” folder and select “Delete”9. Browse to profile’s application data (Go to the Start menu, select “Run”, type “%appdata%\HP” and click “Ok”) and rename folder called “QuickTest Professional” to “QuickTest Professional.BAK”10. Go to Control Panel -> Add/Remove Programs -> HP Unified Functional testing-> Repair.If you cannot see itLaunch UFT's Setup.exe like If you want to install it again.Select the option install UFTOn the installation wizard you will see the option Repair.Check it and continue with the wizardFinish the repair process and launch UFT again